Tytonidae (Barn Owls)
- Barn Owl (Tyto Alba)
- Eastern Screech-Owl (MegasCops ASIO)
- Western Screech-Owl (Megascops Kennicottii)
- Whiskered Screech-Owl (Megascops Trichopsis)
-Cloud-Forest Screech-Owl (Megascops nebulosus)
- Gufo con le gambe Rufous (Strix Rufipes)
- Great Horned Owl (Bubo Virginianus)
- Snowy Owl (Bubo scandiacus)
- Northern Hawk-Owl (Surnia Ulula)
Strigidae (True Owls)
- Eurasiase Eagle-Owl (Bubo Bubo)
- Blakiston's Fish Owl (Bubo Blakistoni)
- Gufo maculato settentrionale (Strix occidentalis caurina)
- California Spotted Owl (Strix occidentalis occidentalis)
- Gufo escluso (Strix Varia)
- Gufo dalle orecchie lunghe (ASIO OTUS)
- Gufo dalle orecchie corte (ASIO FLAMMEUS)
- Stygian Owl (ASIO Stygius)
- Mottled Owl (Strix virgata)
- Tawny Owl (Strix Aluco)
- Boreal Owl (Aegolius funereus)
- sega settentrionale a vena (Aegolius Acadicus)
- Elf Owl (Microtene Whitneyi)
- Ferruginoso Pygmy-Owl (Glaucidium brasilianum)
- Northern Pygmy-Owl (Glaucidium Gnoma)
- Burrowing Owl (Athene Cunicularia)
- Spotted Owlet (Athene Brama)
- Little Owl (Athene Noctua)
- Ural Owl (Strix Uralensis)
- Great Grey Owl (Strix nebulosa)
- Northern Hawk Owl (Surnia Ulula)